AudioAficionado.org  

Go Back   AudioAficionado.org > Manufacturers Forums > Cary Audio Design

Cary Audio Design Superior Quality and Value

Reply
 
Thread Tools Display Modes
  #1  
Old 03-15-2021, 02:05 AM
mike175gr mike175gr is offline
Senior Member

 
Join Date: Apr 2009
Location: Squaw Valley, CA
Posts: 490
Default SLP-05 question (plate current and plate voltage readings)

I have a SLP-05 preamp and I really enjoy it, but I have looked everywhere to find out what the correct plate voltage and plate current voltage should be.

Can you please tell me what the readings should be?

They are currently:

1) Plate voltage: ( 248 VDC)

2) Plate current: (54 ma.)

If low, what would cause that and how to correct it? (New rectifier tube?)

It does sounds good though...

The manual does not explain that very clearly to me. (maybe I am thick though!)
__________________
MC-501 (2), Cary SLP-05, Cary DMS 600, SONOS, modified Denon 3910, Oppo BDP-83SE, B&W 802D3. Pair of REL 212/SE subs, RGPC 1200s, 400pro. Hydra 2 & 6,
Reply With Quote
  #2  
Old 03-15-2021, 08:32 AM
Formerly YB-2's Avatar
Formerly YB-2 Formerly YB-2 is offline
Retired

 
Join Date: Jan 2010
Location: NJ Shore
Posts: 6,915
Default

Talk to Steve Witek at steve@caryaudio.com at Cary. He has always been helpful and answered all my questions. Will provide most any info other than providing actual schematics.
__________________
Glenn...
Canton Ref 9K Cary SLP-98P & Rocket 88 Clearaudio SM Pro Denon DP-80 w/AT33R, AT-MONO3/LP, Dynavector XX2 MKII, Lyra Kleos, Ortofon Cdza Blk, K-b & OM30 Dual 701 K&K LL9226 SUT Jelco HS-25 Nordost Valhalla Oppo 203 Orsonic AV-1b Sony ST-J75, ST-A6B & TA-F6B Stax UA-7/CF Stillpoints LPI WW 8/7 Pt, Au & Ag Yamamoto HS-2 & 4 Yamaha T-2
Reply With Quote
  #3  
Old 03-15-2021, 11:22 AM
mike175gr mike175gr is offline
Senior Member

 
Join Date: Apr 2009
Location: Squaw Valley, CA
Posts: 490
Default

Steve just replied:

One meter reads the main high voltage out to the tubes. It will read around 210V to about 230V depending on your AC voltage coming in. When your AC voltage is higher the transformer will produce a higher main high voltage. Sometimes as high as 238V This is fine. The higher the better. If you have no voltage here then you need to check the fuses and maybe the 5AR4 rectifier tube.



The other meter reads the current being consumed by the tubes. This will usually read (depending on the tubes used) around 50ma to 65ma. No problem here. If it one day reads high like 90 or higher then you may have a bad tube that is causing a short and drawing too much current. Turn it off. Then it's a good time to test your tubes or get new ones.
__________________
MC-501 (2), Cary SLP-05, Cary DMS 600, SONOS, modified Denon 3910, Oppo BDP-83SE, B&W 802D3. Pair of REL 212/SE subs, RGPC 1200s, 400pro. Hydra 2 & 6,
Reply With Quote
  #4  
Old 04-16-2021, 05:28 PM
oceansmagnet oceansmagnet is offline
Junior Member
 
Join Date: Dec 2020
Posts: 1
Default

Quote:
Originally Posted by mike175gr View Post
Steve just replied:

One meter reads the main high voltage out to the tubes. It will read around 210V to about 230V depending on your AC voltage coming in. When your AC voltage is higher the transformer will produce a higher main high voltage. Sometimes as high as 238V This is fine. The higher the better. If you have no voltage here then you need to check the fuses and maybe the 5AR4 rectifier tube.



The other meter reads the current being consumed by the tubes. This will usually read (depending on the tubes used) around 50ma to 65ma. No problem here. If it one day reads high like 90 or higher then you may have a bad tube that is causing a short and drawing too much current. Turn it off. Then it's a good time to test your tubes or get new ones.
Thank you for posting this! I have been scouring the web trying to understand if the 52 mA plate current on my Slp-05 was normal and what it meant.
Reply With Quote
  #5  
Old 04-16-2021, 06:41 PM
Masterlu's Avatar
Masterlu Masterlu is offline
AA Founder, Legend AV Owner



 
Join Date: Apr 2009
Location: South FL & Cape Cod MA
Posts: 75,072
Default

oceansmagnet... Welcome to AA!
__________________
Ivan
FLORIDA
MX136, MC1.2KW(10) MC2KW(2), MCD1100, MS750(2) MVP881, C1000C/P/T, MPC1500, HT-2 SUBS(2) HT3F(2) WS350(2) XRT2K, XCS2K, XR27(2) XCS350(2) JL GOTHAM v2 SUBS(2) SILENZIO MUSIC SERVER, LUMAGEN RADIANCE SCALER, SONY VPH-G90U 4K PROJECTOR, STEWART 120" MOTORIZED SCREEN, CINEMA-TECH SEATING, WW PLATINUM CABLES
Reference System: ACCUPHASE A250 AMPS, C3850 PRE-AMP, DP950 CD/SACD TRANSPORT, DC950 DIGITAL PROCESSOR, DG-58 DIGITAL EQUALIZER, T1200 FM STEREO TUNER, PS1230 POWER SUPPLY, HRS-SXR CUSTOM RACK w/ M3X SHELVES, TAD REFERENCE ONE MK2 LOUDSPEAKERS, WW PLATINUM CABLES
CAPE COD

MX150, MC501(2) MC1.2KW(10) MC2301(2) MR88, MVP881, MCD1100, MDA1000, C1000C/P/T, MPC1500, ESOTERIC K-01X 30th ANNIVERSARY (BLACK) SACD/CD PLAYER, G02-X CLOCK, HT3F(2) XRT2K, XCS2K, XR27(2) JL GOTHAM v2 SUBS(2) JL FATHOM F113v2 SUBS(4) SOUND ANCHOR STANDS(2) KALEIDESCAPE STRATO & TERRA SERVERS 80-TB, LUMAGEN RADIANCE SCALER, SONY VPH-G90U 4K PROJECTOR, STEWART 120" SCREEN, SONUS FABER STRADIVARI, SILENZIO MUSIC SERVER, FORTRESS SEATING, WW PLATINUM CABLES
Analog Rig: CLEARAUDIO INNOVATION WOOD, UNIVERSAL ARM w/ Da VINCI' CART, 2nd UNIVERSAL ARM w/ GOLDFINGER STATEMENT CART, HRS-MXR REFERENCE RACK-GLOSS BLACK w/ M3X SHELVES, AESTHETIX RHEA SIG PHONO-PRE, BRYSTON BHA-1 HEADPHONE AMP, WW PLATINUM CABLES
Reference System: BURMESTER 911MK3 AMP(3), 088 PRE-AMP, 089 CD PLAYER, 100 PHONO PRE-AMP, 948 POWER CONDITIONER, ACCUPHASE DG-68 VOICING EQUALIZER, AVID ACUTUS REFERENCE SP TT, GRAHAM PHANTOM II SUPREME ARM, BENZ MICRO LP-S CART, GRANDIOSO P1X/D1X STACK, G1X RUBIDIUM MASTER CLOCK, N05 NETWORK PLAYER, SILENZIO MUSIC SERVER, HRS-SXR CUSTOM RACK w/ M3X SHELVES, SONUS FABER AIDA SPEAKERS, JL FATHOM F113v2 SUBS(2) SOUND ANCHOR STANDS(2) WW PLATINUM CABLES

Library System: GRANDIOSO M1 MONOBLOCK AMPS, C1 LINESTAGE PRE-AMP, K1X CD/SACD PLAYER, G1 MASTER RUBIDIUM CLOCK, E02 PHONO-PRE, SILENZIO MUSIC SERVER, AERIAL ACOUSTICS 20T V2, AERIAL SW12 SUBS(2), CANTON REF K1’s, VPI HRX TT w/ SDS POWER SUPPLY, ORTOFON CADENZA BLACK CART, KLAUDIO RCM, SHUNYATA DENALI 6000/S v2, SHUNYATA OMEGA QR’s, WW PLATINUM CABLES
Esoteric/Bryston System: ESOTERIC C02-X PRE-AMP, P-02X TRANSPORT, D02-X DAC, G02-X CLOCK, BRYSTON 28B3 CUBED MONOBLOCK AMPS(4), BRYSTON BHA-1 HEADPHONE AMP, SHUNYATA DENALI 6000/S v2(2) EVEREST 8000 POWER CONDITIONER(2) AMR-DP777-SE DAC, SILENZIO MUSIC SERVER, TAD REFERENCE ONE MK2 LOUDSPEAKERS, QUADRASPIRE RACK, WW PLATINUM CABLES
Accuphase/Canton System: ACCUPHASE E800 INTEGRATED, DP570 CD/SACD PLAYER, T1200 FM STEREO TUNER, DG-68 VOICING EQUALIZER, PS530 POWER SUPPLY, CANTON REF K3’s, CANTON REF K5’s, SILENZIO MUSIC SERVER, HRS MXR REFERENCE MAHOGHANY RACK w/ M3X2 SHELVES, WW GOLD CABLES
Bryston Active System: BP26 PRE-AMP, MPS2 POWER SUPPLY, BAX-1 CROSSOVER, BDA-3 DAC, BDP-3 PLAYER, BCD-3 CD PLAYER, BIT15(2), MODEL T ACTIVE SPEAKERS, 21B3 CUBED AMPS, SILENZIO MUSIC SERVER, TARGET RACK, WW SILVER CABLES
Vintage System
: LUXMAN CL-38u SE PRE-AMP, JBL L300 SPEAKERS, BRYSTON BDA-3 DAC, BCD-3 CD PLAYER, BIT15, 3B3 CUBED AMP, SILENZIO MUSIC SERVER, WW SILVER CABLES

Shunyata Power/Digital cables, HRS Damping Plates, Stillpoints throughout all systems
Reply With Quote
  #6  
Old 11-17-2021, 03:30 PM
FreddieFerric's Avatar
FreddieFerric FreddieFerric is offline
Member

 
Join Date: Feb 2018
Location: NOLA
Posts: 1,124
Default

Quote:
Originally Posted by mike175gr View Post
I have a SLP-05 preamp and I really enjoy it, but I have looked everywhere to find out what the correct plate voltage and plate current voltage should be.

Can you please tell me what the readings should be?

They are currently:

1) Plate voltage: ( 248 VDC)

2) Plate current: (54 ma.)

If low, what would cause that and how to correct it? (New rectifier tube?)

It does sounds good though...

The manual does not explain that very clearly to me. (maybe I am thick though!)
What is your opinion of this preamp. Do you like it? Can you describe its sound? Asking because I'm in the market as it were.
__________________
McIntosh MA8000; Canton Vento Reference 1 DC; E.A.T. E-Flat; Soundsmith Paua Mk II; Tascam BR-20; Teac X1000R; Dokoder 1120; Pioneer RT-707; Oppo UDP 205; Denon DCD A-100; HP All-In-One Touchscreen Server; JRiver MC 20; Woo Audio WA6; Shure SRH 1840; SVS SB 1000 (3); Jolida 502BRC; Jolida JD9; VPI 16.5 RCM; Panamax PM-5400
Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump

Audioaficionado.org tested by Norton Internet Security

All times are GMT -4. The time now is 06:42 AM.



Powered by vBulletin® Version 3.8.10
Copyright ©2000 - 2021, vBulletin Solutions, Inc.
©Copyright 2009-2021 AudioAficionado.org.Privately owned, All Rights Reserved.
Audio Aficionado Sponsors
AudioAficionado Subscriber
AudioAficionado Subscriber
Inspire By Dennis Had
Inspire By Dennis Had
Harmonic Resolution Systems
Harmonic Resolution Systems
Wyred4Sound
Wyred4Sound
Dragonfire Acoustics
Dragonfire Acoustics
GIK Acoustics
GIK Acoustics
Esoteric
Esoteric
AC Infinity
AC Infinity
JL Audio
JL Audio
Add Powr
Add Powr
Legend Audio & Video
Legend Audio & Video
Audio by E
Audio by E
Canton
Canton
Bryston
Bryston
WireWorld Cables
WireWorld Cables
Stillpoints
Stillpoints
Bricasti Design
Bricasti Design
Furutech
Furutech
Shunyata Research
Shunyata Research
Accuphase
Accuphase