ADA Depot Too - A Forum To Support Users of ADA Amplification Gear

Please login or register.

Login with username, password and session length
Advanced search  

News:

Need a Schematic? Check the Vault *MP-1 Classic Schematics Just Added!!

Pages: 1 2 3 [4]   Go Down

Author Topic: Koch ATR-4502 Power Amp  (Read 1977 times)

0 Members and 1 Guest are viewing this topic.

rabidgerry

  • Superhero Member
  • ******
  • Offline Offline
  • Posts: 1631
  • HEAVY METAL
    • Rabid Bitch of the North band facebook
Re: Koch ATR-4502 Power Amp
« Reply #45 on: Time Format »

Ok tried it last night for a few hours.

It seems loud enough running at 8ohms each side (L-R).  I have yet to test it with our drummer.  My ears where ringing badly when it was up about half way (I didn't use ear plus as I wanted to hear as true as possible).  I'm hoping it does have the volume I need.  Early signs are good.

I found I needed both voicing switches engaged, deep and presence.  One thing I would say is that the should have given the amp pot controls for these functions without having preset switches.  It's much more useful to be able to tailor these regions like on my Velocity power amp.  At gigs I am usually supplied with 4x12" cabs one for each side so I get lots of bottom end, however I don't have 4x12" in my rehearsal room, I have 4 2x12" cabs so I usually need a low end bump somewhere and with the Rocktron I can dial in low end using it's reactance controls.  Not a deal breaker by any means, but I like a controls better than setting switches.

Feel wise, it felt very elastic, spongey, that tubey feel I was told I would get is definitely there.  Harmonics seem a little more alive.  That being said, I think the Roctron Velocity feels very similar.  I need more time with it but I think it is a winner.  It's solidly built, that's for sure.  Clean and simple design.  Lets see what it can do in the band context............................
Logged
"whadda ya want? we want Heavy Metal"

Guitars:1986 Westone Dimension IV, 1989 Korean Squier Fat Strat Silver Series, 1998 Korean Squier Fat Strat, MIM Fender Fat Strat - FR, Squier Stagemaster Deluxe - Thru Neck x 2, Squier Stagemaster 22 Fret - 1st Gen, 1999 Squier Showmaster - Anniversary Edition, Squier Showmaster, Tokai FV40 Flying V

Effects:  Ada Mp1, Peavey Rockmaster, Boss GT5 * Amps:   Rocktron Velocity 300 - Harley Benton GPA400
Cabs: 4 x Bugera 2 x 12"

rabidgerry

  • Superhero Member
  • ******
  • Offline Offline
  • Posts: 1631
  • HEAVY METAL
    • Rabid Bitch of the North band facebook
Re: Koch ATR-4502 Power Amp
« Reply #46 on: Time Format »

seems I have a very good amp for FREE!!!  The dude has not responded to my emails trying to pay for the amp and he has sent me one with a blemish or two, most notably the l.e.ds for one of the heat protection circuits is missing or broken.  I wonder can I replace it?

Well the amp appears to be loud as hell!  Very responsive and very dynamic.  Not sure what way the fans work, I thought they would be on all the time but it seems only when the unit gets hotter may be?  I dunno.
Logged
"whadda ya want? we want Heavy Metal"

Guitars:1986 Westone Dimension IV, 1989 Korean Squier Fat Strat Silver Series, 1998 Korean Squier Fat Strat, MIM Fender Fat Strat - FR, Squier Stagemaster Deluxe - Thru Neck x 2, Squier Stagemaster 22 Fret - 1st Gen, 1999 Squier Showmaster - Anniversary Edition, Squier Showmaster, Tokai FV40 Flying V

Effects:  Ada Mp1, Peavey Rockmaster, Boss GT5 * Amps:   Rocktron Velocity 300 - Harley Benton GPA400
Cabs: 4 x Bugera 2 x 12"

rnolan

  • Administrator
  • Superhero Member
  • ******
  • Offline Offline
  • Posts: 4830
Re: Koch ATR-4502 Power Amp
« Reply #47 on: Time Format »

Hey RG, it's good it's loud enough  :thumb-up:
Logged
Studio Rig: MP2/MB1 > Eurorack UB2442FX-Pro > TC M-One XL > Behringer Truths (with Truth Sub) / QUAD ESL 63s
Live Rig: MP2/MB1 > Alesis Quadverb > Alesis Midiverb 4 > Yamaha AM802 > B200s/Carvin TS100/DCM200L > ADA Split Stacks/Mesa P112s
Pages: 1 2 3 [4]   Go Up