21-05-2011, 11:07 AM
BC547 dan BD139 ratingnya rendah mas...
Solfegio Forum
Sound System
Power Amplifier
RAKSASA BELL
RAKSASA BELL
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RAKSASA BELL
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21-05-2011, 11:13 AM
ochie ardiansah link=topic=7078.msg88855#msg88855 date=1305878350 Wrote:yang IC input pke CA 3140 ta? lain lagi mas, memang ada juga kit raksasa yg pakai ic. tapi kalau yg ini pakai tr bc547/bc557 pada sirkuit differensial input. tr bd139/140 pada pre driver/driver serta final pakai tr jengkol mj 15003/04. tapi terkadang bnyak yg mengganti dg sanken type a1216/c2922. biar gak penasaran patut dicoba, hehe...
21-05-2011, 11:19 AM
icm link=topic=7078.msg89196#msg89196 date=1305950844 Wrote:BC547 dan BD139 ratingnya rendah mas... hehe.. betul pak mod, tapi main di47v.ct aman dan mantab. mungkin bisa ganti dg bc546/bc556 dan mje340/mje350. 
21-05-2011, 11:39 AM
Sebulan yg lalu beliin temen pcb ini, harga 20k yg fiber.
Tp belum dirakit, cukup rumit, Tr kitnya aja ada 13pcs...
21-05-2011, 12:16 PM
Edi_Pranoto link=topic=7078.msg89210#msg89210 date=1305952767 Wrote:Sebulan yg lalu beliin temen pcb ini, harga 20k yg fiber. Beli dimana kang, hehe... masih ada toh yg jual pcb-nya. buruan dirakit mas, biar merasakan suaranya yg merdu. asal seting vr biasnya benar pasti aman.
21-05-2011, 01:09 PM
JM sound link=topic=7078.msg89200#msg89200 date=1305951239 Wrote: lain lagi mas, memang ada juga kit raksasa yg pakai ic. saya tunggu gambar skemanya y pak,penasaran nich!!!!!! :) :) :)
22-05-2011, 11:31 AM
mulia link=topic=7078.msg88462#msg88462 date=1305794183 Wrote:Penampakannya mana Mas ? penampakan pcb raksasa mono 300w buatan ronica sc-023
22-05-2011, 11:35 AM
pcb raksasa modifikasi made in dhewe th 1998..
maaf baru ketemu di gudang..
22-05-2011, 11:56 AM
JM sound link=topic=7078.msg89218#msg89218 date=1305954966 Wrote: Beli dimana kang, hehe... masih ada toh yg jual pcb-nya. Banyak Kang, kalu mau nitip gak apa-apa... yang mau ngrakit temenku, lagi ngumpulin komponennya.... |
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