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Hi all! Need help finding inductors for Bartolini NTMB - 150 mH , 78 - 80 Ohm DC resistance!
Appears it's rather hard to find this value!
Looked through all DiGI-Key site and found one but 300 Ohm DCR! http://search.digikey.com/scripts/DkSearch/dksus.dll
But even this one is not in stock!
Does anyone knows source for this specific inductor!
Any help is highly appreciated!
Thanks in advance!
my favorite amplifier: my hughes and kettner blue 30r
Completed builds: 3 jcm 800 builds 4 vintage plexi builds 2 bogner ecstasy preamps [both for personal use] 10 marshall guvnor mods and builds 100 jungle kat boosts too many penguin love's to count. 5 blues pearl purplexed dozen tube screamer fulldrive whatever you call them variants
hell i can't type this long it will piss off people what can i say i have been doing mods on toyz appliances gear sex toyz computers and such for 27 years. i started when i was 6 taking stuff apart.
my favorite amplifier: my hughes and kettner blue 30r
Completed builds: 3 jcm 800 builds 4 vintage plexi builds 2 bogner ecstasy preamps [both for personal use] 10 marshall guvnor mods and builds 100 jungle kat boosts too many penguin love's to count. 5 blues pearl purplexed dozen tube screamer fulldrive whatever you call them variants
hell i can't type this long it will piss off people what can i say i have been doing mods on toyz appliances gear sex toyz computers and such for 27 years. i started when i was 6 taking stuff apart.
ansil wrote:perhaps it would be wise to learn winding your own my friend:)
Yes, but I have no time to experiment that's i am looking for ready to install ones!!
But for all that are interested here is good information to wind their own inductors!
Enjoy!
my favorite amplifier: my hughes and kettner blue 30r
Completed builds: 3 jcm 800 builds 4 vintage plexi builds 2 bogner ecstasy preamps [both for personal use] 10 marshall guvnor mods and builds 100 jungle kat boosts too many penguin love's to count. 5 blues pearl purplexed dozen tube screamer fulldrive whatever you call them variants
hell i can't type this long it will piss off people what can i say i have been doing mods on toyz appliances gear sex toyz computers and such for 27 years. i started when i was 6 taking stuff apart.
anybody looking for inductors,check out some modular relays,they all gravitate from 50 to 500 mH.
i just found one automotive which is 150 and another 24v relay which is just 310mH.
I have built that bartolini schematic with no good results for mid range whatever inductor i've tried: 3X100mH (high DCR), 2X150mH (high DCR), wah 500mH(low DCR, recalculating capacitors for corner frequencies),300mH high quality very low DCR (sowter). It seems that baxandall tone control didn't really worked for me with inductors, its too much interaction between the low and mid bands or not deep enaugh. Also I think gain stage is over complex with unnecessary resistors too.
But I have great success building ibanez eq schematic and using sowter custom made inductor (same inductance and taps as in Ampeg midrange circuitry ). All 5 corner frequencies sound very interesting ether cut or boost and its more than enough to me to get wide sound palette . I'm using it only for midrange. Also I tried Ampeg SVT 7 PRO midrange circuit by adding Ibanez gain section with very good results too.
Electronics - Inductors - Inductance And Inductors.pdf
