VoodooChild Posted November 19, 2020 Share Posted November 19, 2020 Hello, I have a DR103 and want to buy a Hiwatt custom slave 100 power-amp to double up to 200 Watts. However, i have no clue how to connect these two units together to make it work with a single Bassguitar. Thanks for your help Quote Link to comment Share on other sites More sharing options...
BassmanPaul Posted November 20, 2020 Share Posted November 20, 2020 Does the DR103 have a socket on the back marked 'Slave' or some such? If yes plug a cable from that socket to the input of the slave and all should be good. You will need a separate speaker system on each amp. 2 Quote Link to comment Share on other sites More sharing options...
agedhorse Posted November 21, 2020 Share Posted November 21, 2020 6 hours ago, BassmanPaul said: You will need a separate speaker system on each amp. This is a critical bit of information IMO. 2 Quote Link to comment Share on other sites More sharing options...
Owen Posted November 21, 2020 Share Posted November 21, 2020 I can offer no technical assistance, but would add "while wearing proper moulded ear-plugs" to the title. Quote Link to comment Share on other sites More sharing options...
VoodooChild Posted December 1, 2020 Author Share Posted December 1, 2020 I got 2 Mesa Boogie Speakers. For now i run them both with one DR103 head. The plan is to use the DR103 for one and the "Slave" for the other one. Each Speaker is 8 Ohms. My DR103 does not have 'slave' out. Guess i will have to find another solution. Thanks for the reply fellas. Quote Link to comment Share on other sites More sharing options...
Steve Browning Posted December 4, 2020 Share Posted December 4, 2020 That will be awesome. I ran my two Diesel 2x15s with a pair of Orange 120's for a short time in the early 90's. Quote Link to comment Share on other sites More sharing options...
Phil Starr Posted December 9, 2020 Share Posted December 9, 2020 The simplest thing would be to buy a DI box that would take an input from the speaker output on your amp. It would be a high impedance so would not affect the impedance the amp is 'seeing' but you should run it in parallel to a speaker as valve amps don't like high impedance on their own. You can then feed from the DI box to the slave amp. Just to be clear because you don't want anything to break. Plug your speaker into one of the sockets on the back of the DR103 then another lead into the second socket on the amp and run it to the DI box then a lead from the DI out to the slave amp. Check the DI box is switched to 'speaker' before switching the amp on. Check both amps are turned down before switchng on. Set your level on the 103 then turn the slave up to match that level. using this system should mean the eq you apply to the amp is reproduced in the slave. Something like this will do the job but there are lots of choices Studiospares Passive DI Box - Studiospares Alternatively you could play in stereo and split the signal before the amps but you will need either some sort of mixer or splitter between the bass and the amps. 1 Quote Link to comment Share on other sites More sharing options...
Phil Starr Posted December 9, 2020 Share Posted December 9, 2020 You might need these too Earplugs Ultratec - Studiospares 2 Quote Link to comment Share on other sites More sharing options...
BassmanPaul Posted January 23, 2021 Share Posted January 23, 2021 Phil, I think that unit is a line level box not speaker level. I couldn't see any reference to speaker connections. Quote Link to comment Share on other sites More sharing options...
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